Eu | Z = 63 | ◊ ◊ ◊ ◊ ◊ |
Europium | |
From the Greek "Europe", meaning "broad-faced" | ||||
(AM) Atomic Mass | 151.965 amu | ♦ | Oxidation States | +2, +3 |
(BP) Boiling Point | 1597  °C | ♦ | (MP) Melting Point | 822 °C |
(ρ) Density | 5.24 g/cm3 | ♦ | Crystal Structure | Body Centered Cubic |
( χ ) Electronegativity | n/a | ♦ | (AR) Atomic Radius | 1.85  Å |
Physical State | Solid | ♦ | (C) Heat Capacity | 0.182 J/g °C |
Electronic-Config | [Xe]  4f7  6s2  | ♦ | (I1) First Ionization E | 547.07 kJ/mol |
(ΔHvap) Heat of Vaporization | 176 kJ/mol | ♦ | (ΔHfus) Heat of Fusion | 9.21 kJ/mol |
Year of Discovery | 1901 | ♦ | Location of Discovery | France |
(E°) Standard Potential | Eu2+⇔ Eu (-2.812 V),   Eu3+⇔ Eu (-1.991 V) | |||
Stable isotopes |  151Eu,  153Eu | |||
Discovered/Synthesized by | Eugène-Antole Demarçay | |||
Natural Source | The mineral/ore bastnasite, monazite, loparite | |||
Common Uses | Phosphors in color tvs and trichromatic fluorescent lamps, luminous paint, lasers | |||
Other Info | Used as an anti-counterfeit measure in Europe as it fluoresces | |||
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